// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
 
using System;
using System.Collections.Immutable;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.CodeAnalysis.Text;
 
namespace Microsoft.CodeAnalysis.Diagnostics;
 
/// <summary>
/// Special IDE analyzer to flag unnecessary inline source suppressions,
/// i.e. pragma and local SuppressMessageAttribute suppressions.
/// </summary>
internal interface IPragmaSuppressionsAnalyzer
{
    /// <summary>
    /// Analyzes the tree, with an optional span scope, and report unnecessary inline suppressions.
    /// </summary>
    Task AnalyzeAsync(
        SemanticModel semanticModel,
        TextSpan? span,
        CompilationWithAnalyzers hostCompilationWithAnalyzers,
        Func<DiagnosticAnalyzer, ImmutableArray<DiagnosticDescriptor>> getSupportedDiagnostics,
        Action<Diagnostic> reportDiagnostic,
        CancellationToken cancellationToken);
}